Q: Two 2 ohm resistors connected in a parallel are connected in series and parallel with a 3 ohm resistor. The circuit with series connection is connected in series with another such circuit and the circuit with parallel connection is connected in parallel with a circuit of the same kind. Find the ratio heat produced
when an 8 V battery is connected with the circuits.
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Answer:
25:6
Explanation:
the resistance in parallel =1/2+1/3=1/R
=6/5
the resistance in series =2+3=5
the heat energy in parallel in time t=8*8/6/5=64t*5/6
the heat energy in series 8*8t/5
therefore the ratio of their heat energy=25:6
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